Well,
My problem is that i want to upload a file in an interface and show it at the same time in the interface. I dont know if it is possible in Appian.
I have tried to save the upload file in a rule input as a Document and then call this rule input in the imageField. But it doesn't work.
I hope you can help me, thank you so much.
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You can't display the file immediately after upload because the file is considered temporary until the form is submitted. The best work around for this is to have a submit button that is something like "View Preview". Then, use activity chaining to link a second interface that displays the document.
You can also utilize a!recordActionField and a!refreshVariable( refreshAfter: "RECORD_ACTION") to submit a form on any interface and then show the result right away